Racquet string structure with cutting marks

ABSTRACT

A racquet string structure with cutting marks contains a string body and a plurality of remarked cut areas separately arranged on plural positions of the string body. Each marked cut area has a length which provides an identifiable cutting portion so that the string body is cut exactly and is inserted into the racquet frame. Thereby, the racquet string structure with the cutting marks of the present invention includes the plurality of marked cut areas on which the color and the at least one character or the pattern is printed so that the plurality of marked cut areas are cut into the plural knitting sections precisely and easily, and the length of each single knitting part is adjusted based on the using requirement so that the plural knitting sections are longitudinally and horizontally inserted into the racket frame to form the mesh surface inside the racket frame easily and quickly.

FIELD OF THE INVENTION

The present invention relates to a racquet string structure with cuttingmarks which knits a mesh surface of a racket frame easily and quickly.

BACKGROUND OF THE INVENTION

Conventionally, a strip body for knitting a mesh surface in a racketframe is inserted and knitted in the racket frame manually by a workeror automatically by a stringing machine. However, when the strip body ismanually inserted and knitted in the racket frame to form the meshsurface, the tighten strength of the mesh surface of the racket framecannot be controlled at stable pulling force by manually pull the stripbody. When the strip body is automatically inserted and knitted in theracket frame to form the mesh surface, the tighten strength of the meshsurface of the racket frame can be controlled at stable pulling force bypulling the strip body by ways of the stripping machine.

When knitting the mesh surface in the racket frame, a front ends of thestrip body is inserted into the racket frame, and a rear end of thestrip body is cut, tied, pound pulled, and knotted.

However, when inserting the strip body into the racket frame, its rearend interferes inserting operation so that its front end is pulled againto adjust tightness of the mesh surface, thus knitting the mesh surfacetroublesomely.

The present invention has arisen to mitigate and/or obviate theafore-described disadvantages.

SUMMARY OF THE INVENTION

The primary object of the present invention is to provide a racquetstring structure with cutting marks which includes a plurality of markedcut areas on which a color and at least one character or a pattern isprinted so that the plurality of marked cut areas are cut into pluralknitting sections precisely and easily, and a length of each singleknitting part is adjusted based on using requirement so that the pluralknitting sections are longitudinally and horizontally inserted into aracket frame to form a mesh surface inside the racket frame easily andquickly.

To obtain the above objective, a racquet string structure with cuttingmarks contains:

a string body and a plurality of remarked cut areas separately arrangedon plural positions of the string body; wherein each marked cut area hasa length which provides an identifiable cutting portion so that thestring body is cut exactly and then is inserted into the racquet frame.

Preferably, each marked cut area is printed a color thereon.

Preferably, each marked cut area is marked by at least one character.

Preferably, each marked cut area is marked by pattern.

Preferably, each marked cut area is printed the color thereon by aprinting machine in a coating process.

Preferably, the plural positions of the string body, where the pluralityof marked cut areas are arranged, are determined based on a desiredknitting size of the racquet frame.

Preferably, the plural positions of the string body, where the pluralityof marked cut areas are arranged, are determined based on a desiredknitting size of the knitting manner for knitting the racquet frame

Preferably, each marked cut area is printed the color thereon by aprinting machine in a coating process.

Preferably, the string body is hollow.

Preferably, the string body is solid.

Preferably, the string body includes a plurality of knitting sectionsformed by cutting the plurality of remarked cut areas.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a top plan view showing a plurality of strip bodies of aracquet string structure with cutting marks being bound togetheraccording to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the assembly of the racquet stringstructure with the cutting marks according to the first embodiment ofthe present invention.

FIG. 3 is a perspective view showing a strip body of the racquet stringstructure with cutting marks being cut into a plurality of knittingsections according to the first embodiment of the present invention.

FIG. 4 is a plan view showing the plurality of knitting sections beinginserted and knitted in a racket frame of a badminton racket accordingto the first embodiment of the present invention.

FIG. 5 is another plan view showing the plurality of knitting sectionsbeing inserted and knitted in a racket frame of a badminton racketaccording to the first embodiment of the present invention.

FIG. 6 is a plan view showing the plurality of knitting sections beinginserted and knitted in a racket frame of a tennis racket according tothe first embodiment of the present invention.

FIG. 7 is a perspective view showing the assembly of a racquet stringstructure with cutting marks according to a second embodiment of thepresent invention.

FIG. 8 is a perspective view showing the assembly of a racquet stringstructure with cutting marks according to a third embodiment of thepresent invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

With reference to FIGS. 1 and 2, a racquet string structure with cuttingmarks according to a first embodiment of the present invention isemployed to insert a string body 10 into a racket frame of badmintonracket and comprises the string body 10 and a plurality of remarked cutareas 20 separately arranged on plural positions of the string body 10.

The string body 10 is made of any one of nylon, artificial gut, naturalgut and artificial fibers.

Each marked cut area 20 has a length L which provides an identifiablecutting portion so that the string body 10 is cut exactly and then isinserted into the racquet frame; each marked cut area 20 is printed acolor thereon by a printing machine in a coating process; wherein theplural positions of the string body 10, where the plurality of markedcut areas 20 are arranged, are determined based on a desired knittingsize of the racquet frame or a knitting manner for knitting the racquetframe.

Accordingly, the plurality of remarked cut areas 20 are provided toindicate cutting portions so that the string body 10 is cut into pluralinserting sections precisely and easily.

The string body 10 is hollow or solid and includes a plurality ofknitting sections formed by cutting the plurality of remarked cut areas20. Thereby, the string body 10 is cut into the plurality of remarkedcut areas 20 in a certain length based on using requirement.

Referring further to FIG. 3, the string body 10 is cut into theplurality of knitting sections by cutting the plurality of remarked cutareas 20 so that the plurality of knitting sections are inserted andknitted in the string frame.

As shown in FIG. 4, the string body 10 is knitted in a racket frame 32of a badminton racket 30 in a one-two-knot manner or a two-four-knotmanner. The badminton racket 30 includes a racket handle 31 disposed ona lower side thereof and the racket frame 32 mounted on an upper sidethereof, the racket frame 32 has a plurality of holes defined around aperipheral side of the racket frame 32 for longitudinally and laterallyinserting the plural knitting sections into the racket frame 32 so as toform a mesh surface inside the racket frame 32. When the plural knittingsections of the string body 10 is knitted in the racket frame 32 in thetwo-four-knot manner, lengths of the plural knitting sections are notequal, for example, plural knitting sections 10 are longitudinallyinserted into the racket frame 32 from a thick arrow direction and arewound toward plural thickly circular remarking portions; and pluralshort knitting sections 10′ are horizontally inserted into the racketframe 32 from a thin arrow direction and are wound toward plural thinlycircular remarking portions. Thereafter, the plural long knittingsections 10 and the plural short knitting sections 10′ are pound pulledand are tied on the plural thickly circular remarking portions and theplural thinly circular remarking portions, thus knitting the plural longknitting sections 10 and the plural short knitting sections 10′ in theracket frame 32 completely.

As illustrated in FIG. 5, the string body 10 is knitted in the racketframe 32 in the one-two-knot manner, wherein the plural long knittingsections 10 are longitudinally inserted into the racket frame 32 from athick arrow direction and then are horizontally inserted into the racketframe 32, wherein two ends of each long single knitting part 10 areinserted out of two thickly circular marking portions, pound pulled, andtied on the two thickly circular marking portions, thereby knitting theplural long knitting sections in the racket frame 32 completely.

With reference to FIG. 6, a tennis racket 40 includes a racket handle 41fixed on a lower side thereof and a racket frame 42 secured on a lowerside thereof, and a plurality of holes are defined around a peripheralside of the racket frame 42 so that plural knitting sections 10 are cutfrom a string body and are longitudinally and horizontally inserted intothe racket frame 42 to form a mesh surface inside the racket frame 42.

It is to be noted that a distance between each two remarked cut areas 20is equal to a predetermined insertion length according to any one of alength of each short knitting sections 10′, a length of each long singleknitting part 10, a total length of a plurality of short knittingsections 10′ and a plurality of long knitting sections 10′, and aknitting manner, such as a one-two-knots or two-four-knots.

The string body 10 includes the plurality of marked cut areas 20 printedthereon so that a user cuts the plurality of marked cut areas 20 intothe plural knitting sections 10 (i.e., the plural long knitting sectionsand the plural short knitting sections), and then the plural knittingsections 10 are longitudinally and laterally inserted into the racketframe 32 from the plurality of holes around the peripheral side of theracket frame 32, such that the plural knitting sections 10 are pulledtightly to form the mesh surface inside the racket frame 32 easily andquickly.

In addition, each marked cut area 20 has the length L which provides anidentifiable cutting portion so that the string body 10 is cut exactlyinto the plural knitting sections, and then the plural knitting sectionsare inserted into the racquet frame; and each marked cut area 20 isprinted the color thereon by the printing machine in the coatingprocess; wherein the plural positions of the string body 10, where theplurality of marked cut areas 20 are arranged, are determined based onthe desired knitting size of the racquet frame or the knitting mannerfor knitting the racquet frame. Preferably, the length L of each markedcut area 20 can be adjusted so that a knot is tied on the length L orthe length L is pound pulled to facilitate forming the mesh surfaceinside the racket frame 32.

Referring to FIG. 7, a racquet string structure with cutting marks of asecond embodiment from that of the first embodiment comprises aplurality of marked cut areas 20 marked by at least one character, andwherein a length L of each marked cut area 20 corresponds to a number ofthe at least one character, a combination of the at least one characteris a trademark.

As shown in FIG. 8, a racquet string structure with cutting marks of athird embodiment from that of the first embodiment comprises a pluralityof marked cut areas 20 marked by pattern, and wherein a length L of eachmarked cut area 20 corresponds to a length of the pattern, the patterncan be a trademark.

Thereby, the racquet string structure with the cutting marks of thepresent invention includes the plurality of marked cut areas on whichthe color and the at least one character or the pattern is printed sothat the plurality of marked cut areas are cut into the plural knittingsections precisely and easily, and the length of each single knittingpart is adjusted based on the using requirement so that the pluralknitting sections are longitudinally and horizontally inserted into theracket frame to form the mesh surface inside the racket frame easily andquickly.

While the preferred embodiments of the invention have been set forth forthe purpose of disclosure, modifications of the disclosed embodiments ofthe invention as well as other embodiments thereof may occur to thoseskilled in the art. Accordingly, the appended claims are intended tocover all embodiments which do not depart from the spirit and scope ofthe invention.

What is claimed is:
 1. A racquet string structure with cutting markscomprising: a string body and a plurality of remarked cut areasseparately arranged on plural positions of the string body; wherein eachmarked cut area has a length which provides an identifiable cuttingportion so that the string body is cut exactly and then is inserted intothe racquet frame.
 2. The racquet string structure with the cuttingmarks as claimed in claim 1, wherein each marked cut area is printed acolor thereon.
 3. The racquet string structure with the cutting marks asclaimed in claim 1, wherein each marked cut area is marked by at leastone character.
 4. The racquet string structure with the cutting marks asclaimed in claim 1, wherein each marked cut area is marked by pattern.5. The racquet string structure with the cutting marks as claimed inclaim 1, wherein each marked cut area is printed the color thereon by aprinting machine in a coating process.
 6. The racquet string structurewith the cutting marks as claimed in claim 1, wherein the pluralpositions of the string body, where the plurality of marked cut areasare arranged, are determined based on a desired knitting size of theracquet frame.
 7. The racquet string structure with the cutting marks asclaimed in claim 1, wherein the plural positions of the string body,where the plurality of marked cut areas are arranged, are determinedbased on a desired knitting size of the knitting manner for knitting theracquet frame
 8. The racquet string structure with the cutting marks asclaimed in claim 1, wherein each marked cut area is printed the colorthereon by a printing machine in a coating process.
 9. The racquetstring structure with the cutting marks as claimed in claim 1, whereinthe string body is hollow.
 10. The racquet string structure with thecutting marks as claimed in claim 1, wherein the string body is solid.11. The racquet string structure with the cutting marks as claimed inclaim 1, wherein the string body includes a plurality of knittingsections formed by cutting the plurality of remarked cut areas.